602  
CDUS41 KLWX 132124  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
524 PM EDT SUN OCT 13 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 13 2024  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1960 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 81 3:02 PM 84 1989 69 12 72  
MINIMUM 49 5:57 AM 30 1987 46 3 50  
1988  
2012  
AVERAGE 65 58 7 61  
 
PRECIPITATION (IN)  
TODAY 0.00 1.92 2011 0.11 -0.11 0.00  
MONTH TO DATE 0.13 1.58 -1.45 0.18  
SINCE SEP 1 3.40 5.52 -2.12 6.83  
SINCE JAN 1 29.18 34.74 -5.56 26.05  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 T  
SINCE JUL 1 0.0 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 8 -8 4  
MONTH TO DATE 42 82 -40 55  
SINCE SEP 1 54 127 -73 71  
SINCE JUL 1 56 128 -72 71  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 14 18 -4 32  
SINCE SEP 1 151 170 -19 248  
SINCE JAN 1 1565 1226 339 1363    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 7:00 AM  
LOWEST 39 1:00 PM  
AVERAGE 68  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 86 1975  
MINIMUM TEMPERATURE (F) 46 23 1988  
 
SUNRISE AND SUNSET  
OCTOBER 13 2024.......SUNRISE 7:18 AM EDT SUNSET 6:33 PM EDT  
OCTOBER 14 2024.......SUNRISE 7:19 AM EDT SUNSET 6:32 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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